110 entries under strong topic. ×

2
rugged(adjective, hard, tough, sturdy)
2
sturdy(adjective, hard, tough, firm)
2
undeviating(adjective, flat, harsh, certain)
2
unshaken(adjective, flat, firm, cold)
2
unsparing(adjective, hard, tough, sturdy)
1
stand pat(expression, adjective, secure, flat)
1
authoritarian(adjective, hard, tough, sturdy)
1
bent(adjective, flat, certain, determined)
1
bold(adjective, firm, determined, serious)
1
dense(adjective, hard, tough, sturdy)
1
dyed-in-the-wool(adjective, set, hard, tough)
1
enduring(adjective, flat, certain, determined)
1
explicit(adjective, flat, certain, determined)
1
fast(adjective, secure, tough, firm)
1
forbidding(adjective, person, hard, tough)
1
going(adjective, flat, certain, determined)
1
hang-tough(adjective, hard, tough, harsh)
1
hang tough(expression, adjective, flat, harsh)
1
hard-shell(adjective, hard, tough, sturdy)
1
insensible(adjective, hard, tough, sturdy)
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APASmart Define. (2016). adamant thesaurus. Retrieved September 29, 2026, from https://smartdefine.org/adamant/thesaurus/synonyms
ChicagoSmart Define. 2016. "adamant thesaurus" https://smartdefine.org/adamant/thesaurus/synonyms (accessed September 29, 2026).
HarvardSmart Define 2016, adamant thesaurus, Smart Define, viewed 29 September, 2026, <https://smartdefine.org/adamant/thesaurus/synonyms>.
MLASmart Define. "adamant thesaurus" 23 March 2016. Web. 29 September 2026. <https://smartdefine.org/adamant/thesaurus/synonyms>